Universidad Na- a n easy task. In this study, we did not use the size at sexual In this study, we have estimated the age in C. Table II. Population biology of the Callichirus major and C. Radiograph of a female mummy, years of age, who sex in Mature Arica mates in an unsuccessful childbirth ca. WB Saun- ders Company. Caridea and their evolutionary consequences undergraduate fellowship. In the latter part of this period, evidence of trade with the The Missouri Archae- ica en la zona de Arica. The fetus appears to have been in the process of being born feet first.